Does the principle of accountability apply to a young offender?

[49] In Regina v. A.O., supra, the court discussed the principle of accountability at paras. 42, 46, 47, 48, 49: “[42] The combined effect of ss. 72, 3 and 38 is to identify accountability as the purpose that the youth court judge must consider when deciding an application to impose an adult sentence on a young person. Accountability is achieved through the imposition of meaningful consequences for the offender and sanctions that promote his or her rehabilitation and reintegration into society. The purpose of accountability in this context would seem to exclude accountability to society in any larger sense or any notion of deterrence. ...